<nav id="main-navigation">
  {% for link in site.data.links %}
  {% if page.title == link.title %}
  <a href="{{ link.url }}" title="{{ link.title }}" class="current">{{ link.title }}</a>
  {% else %}
  <a href="{{ link.url }}" title="{{ link.title }}">{{ link.title }}</a>
  {% endif %}
  {% endfor %}
</nav>
